what is the diff between mcb and vcb

3 Answers  

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why capacitor bank shorted by resistance ( 3 terminal )

1 Answers  

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can anyone tell me can the electromagnetic waves can be reflected back?if so how &by which material it can be reflected back?please tell me so that it can help to my wireless power trasnmission device.

0 Answers  

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what is the max working temperature of an oil filled transformer say of about 1500kva.

3 Answers  

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What is the difference between INVERTER and UPS?

7 Answers  

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what is the kva rating of 20 kv transformer?

1 Answers  

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if we convert Ampers into kva,which one formula use by us,pls tell me?

10 Answers   ABB,

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Current chopping mainly occurs in air blast circuit breaker.why?

1 Answers  

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How to design harmonic filter at the project stage without nowing the harmonics levels

0 Answers  

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how calculate gd2 of ht motors

4 Answers   Hindustan Copper Limited, Kohler India,

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which protection function should measure RMS value of current&DFT value of current?

0 Answers  

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what is the use of commutator in dc motor if we supply ac ? commutator is used to convert ac to dc.and it is used to arrange the flux in unidirectional in case of dc supply. if we give ac as supply to dc motor what is the use of commutator?

0 Answers  

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